Haier AB052MCERA Manuel D'instructions page 27

Electrical Wiring
The combination of multiple indoor units can be controlled by wired controller or remote controller.
Switching Mode of Line-Controlled Main Unit/ Line-Controlled Sub
Units/ Remote-Controlled Types can be used for switching over
Setting
Mode
Socket/
Dip switch
SW01-[1][2][3][4]
CN21 Socket
Terminal Block
(Control)
Note:AB* models are set to remote- controlled type before delivery
The wiring for the power line of indoor unit, the wiring between indoor and outdoor units as well
as the wiring between indoor units:
Items
Cross
Total
Section
Current
(mm
of Indoor
Units (A)
10
10 and <15
15 and <22
22 and <27
The electrical power line and signal lines must be fastened tightly.
Every indoor unit must have the ground connection.
The power line should be enlarged if it exceeds the permissible length.
Shielded lays of all the indoor and outdoor units should be connected together, with the shielded
lay at the side of signal lines of outdoor units grounded at one point.
It is not permissible if the whole length of signal line exceeds 1000m.
Signal Wiring of Wired controller
Length of Signal Line (m)
250
The shielding lay of the signal line must be grounded at one end.
The total length of the signal line shall not be more than 250m.
Master Remote Wired
Controller
All OFF
Null
A,B,C connect with Wireless
Remote Controller
Rated
Length Current of
(m) Overflow
2
)
Breaker(A)
2 20 20
3.5 25 30
5.5 30 40
10 40 50
Wiring Dimensions
2
0.75mm 3 core shielding line
1# Remote Wired
Controller
[0][0][0][1]
Null
B,C connect with Wireless
Remote Controller
Rated Current of Power
Leakage Breaker (A)
Leaking Current(mA)
Operating Period (S)
20 A,30 mA,0.1S or below
30 A,30 mA,0.1S or below
40 A,30 mA,0.1S or below
50 A,30 mA,0.1S or below
19
Wireless Remote
Controller
All OFF
Connect to
remote receiver
A,B,C Null
Cross Sectional
Area of Signal Line
Outdoor Indoor
-indoor -indoor
2 2
(mm ) (mm )
2 cores 0.75-2.0
2
mm shielded line